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California's Railroad to the U.S. 1861 - 1996

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Model Train Help EBook

Southern Pacific Freight Car Specification Sheet 12A

Depressed Center/Heavy Duty Flat cars - 1965


Page 1


Page 2

Car Series
Numbers
SP & SSW
(Cotton Belt)
No.
of Cars
Capacity Load Space Outside Dimensions Type of Deck
Nominal
Pounds
Average
Light
Weight
Average
Load Limit
Deck
Length
Deck
Width
Length
(3)
Width Deck
Height
Above Rail
SSW 80010
to 80013
4 600,000 164,000 625,800 (1) 35' 11" (2)
35"
10' 0" 58' 1" 10' 0" 4' 2" Steel
  1. Maximum load may be
    1. concentrated at center of car, or
    2. uniformly distributed over any distance symmetrical about center line of car, or
    3. two equal concentrated loads symmetrically spaced about center of car. Single concentrated loads must not exceed 450,000 pounds at 5' 7½" or 406,250 pounds at 7' 10½" from center of car.

  2. 35' 11" is maximum deck length. Length with stakes in place is 35'

  3. Coupled length may be obtained by adding 30" to the outside lengths shown.

Car Series
Numbers
SP & SSW
(Cotton Belt)
No.
of Cars
Capacity Load Space Outside Dimensions Type of Deck
Nominal
Pounds
Average
Light
Weight
Average
Load Limit
Deck
Length
Deck
Width
Length
(1)
Width Deck
Height
Above Rail
SP 500550 1 250,000 109,400 267,100 53' 0" 9' 8" 54' 1" 10' 3" 3' 8" Steel
SP 500600
to 500603
4 395,000 105,200 396,800 44' 0" 9' 2" 45' 1" 9' 9" 4' 2" Steel
SP 500604 1 391,000 109,100 392,900 44' 0" 9' 2" 45' 1" 9' 9" 4' 2" Steel
  1. Coupled length may be obtained by adding 30" to the outside lengths shown.

Car Series
Numbers
SP & SSW
(Cotton Belt)
No.
of Cars
Capacity Load Space Height of
Depression
From Rail
Outside Dimensions Type of Deck
Nominal
Pounds
Average
Light
Weight
Average
Load Limit
Length of
Depression
Width of
Depression
Deck
Length
Deck
Width
Length
(5)
Width Deck
Height Above Rail
SP 500000
to 500009
10 152,000 67,400 152,600 (1) 24' 0" 9' 9" 52' 4" 9' 9" 2' 3" 53' 0" 9' 9" 3' 10" Steel
SP 500500
to 500501
2 250,000 128,000 266,500 (2) 21' 0" 9' 0" 57' 9" 9' 0" 2' 0" 58' 4" 9' 10" 4' 0" Steel
SP 500502
to 500521
20 250,000 121,000 273,500 (3) 26' 0" 9' 0" 62' 9" 9' 0" 2' 4" 63' 4" 10' 0" 4' 0" Steel
SSW 80000 1 250,000 124,700 269,800 (3) 21' 0& 9' 0" 57' 9" 9' 0" 2' 0" 58' 4" 9' 10" 4' 2" Steel (4)
SSW 80005
to 80006
2 250,000 120,500 274,000 (3) 26' 0& 9' 0" 62' 9" 9' 0" 2' 4" 63' 4" 10' 0" 4' 2" Steel (4)
  1. Maximum load limit 60,000 pounds uniformly distributed over 3' at center of car; 68,000 pounds uniformly distributed over 10' at center of car; 76,000 pounds uniformly distributed over 18' at center of car; 84,000 pounds uniformly distributed over 24' at center of car or length of depressed deck.

  2. Maximum load limit of 248,200 pounds over a distance of 18' at center of car or a concentrated load of 230,000 pounds at center of car.

  3. Maximum load limit of 255,000 pounds over a distance of 18' at center of car or a concentrated load of 205,100 pounds at center of car.

  4. Deck is steel in depression area only, balance of deck is wood.

  5. Coupled length may be obtained by adding 30" to the outside lengths shown.


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